//
//    MIT License
//
//    Copyright (c) 2017 Touchwonders B.V.
//
//    Permission is hereby granted, free of charge, to any person obtaining a copy
//    of this software and associated documentation files (the "Software"), to deal
//    in the Software without restriction, including without limitation the rights
//    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//    copies of the Software, and to permit persons to whom the Software is
//    furnished to do so, subject to the following conditions:
//
//    The above copyright notice and this permission notice shall be included in all
//    copies or substantial portions of the Software.
//
//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//    SOFTWARE.


import Foundation

/**
 *  This is a very simple model that counts shapes.
 */
class ShapesModel {
    
    static let shared = ShapesModel()
    
    private var counters = [Shape: Int]()
    init() {
        Shape.all.forEach { self.counters[$0] = 0 }
    }
    
    func count(for shape: Shape) -> Int {
        return counters[shape] ?? 0
    }
    
    func increment(shape: Shape, amount: Int = 1) {
        counters[shape] = count(for: shape) + amount
    }
    
}
